diff --git a/Formula/python.rb b/Formula/python.rb
index 8d3abe82ad..8fc59d659b 100644
--- a/Formula/python.rb
+++ b/Formula/python.rb
@@ -3,7 +3,7 @@ class Python < Formula
   homepage "https://www.python.org"
   url "https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tar.xz"
   sha256 "d7837121dd5652a05fef807c361909d255d173280c4e1a4ded94d73d80a1f978"
-  revision 1
+  revision 2
 
   head "https://hg.python.org/cpython", :using => :hg, :branch => "2.7"
 
@@ -202,9 +202,6 @@ class Python < Formula
       system "make", "quicktest", "TESTPYTHONOPTS=-s", "TESTOPTS=-j#{ENV.make_jobs} -w"
     end
 
-    # Symlink the pkgconfig files into HOMEBREW_PREFIX so they're accessible.
-    (lib/"pkgconfig").install_symlink Dir["#{frameworks}/Python.framework/Versions/Current/lib/pkgconfig/*"]
-
     ENV.deparallelize do
       # Tell Python not to install into /Applications
       system "make", "install", "PYTHONAPPSDIR=#{prefix}"
@@ -219,6 +216,15 @@ class Python < Formula
         "-u _PyMac_Error $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)"
     end
 
+    # Prevent third-party packages from building against fragile Cellar paths
+    inreplace [lib_cellar/"_sysconfigdata.py",
+               lib_cellar/"config/Makefile",
+               frameworks/"Python.framework/Versions/Current/lib/pkgconfig/python-2.7.pc"],
+              prefix, opt_prefix
+
+    # Symlink the pkgconfig files into HOMEBREW_PREFIX so they're accessible.
+    (lib/"pkgconfig").install_symlink Dir[frameworks/"Python.framework/Versions/Current/lib/pkgconfig/*"]
+
     # Remove the site-packages that Python created in its Cellar.
     site_packages_cellar.rmtree